Popis: |
Molecular dynamic simulation has been used to study how the sputtering characteristics of metal polycrystals are dependent on the mass m 1 of bombarding ions of low-energy E 0 . The influence of target parameters on mass dependence of sputtering has been calculated for Al, Ba, Ce and Au, which were not previously studied. These metals have very different values of density ρ , the lattice constant d , and the surface binding energy E b (the parameters that define the sputtering process). The features of sputtering characteristics for the metals studied are discussed. |